<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>素材接口上传</title>
</head>

<body>
  <input type="file" name="file" id="file" onchange="upload(this)">
  <script src="https://unpkg.com/axios/dist/axios.min.js"></script>
  <script>
    // 开发暂定
  </script>
</body>

</html>